/**
 * Created by Administrator on 2016/8/30.
 */
define(function(){
    function startMove(obj,attr,iTarget,fnEnd)//运动框架
    {
        //alert(1);
        clearInterval(obj.timer);
        obj.timer=setInterval(function()
        {
            var cur=0;
            if(attr=='opacity')
            {
                cur=Math.round(parseFloat(getStyle(obj,attr))*100);
            }else
            {
                cur=parseInt(getStyle(obj,attr));
            }
            var speed=(iTarget-cur)/6;
            speed=speed>0?Math.ceil(speed):Math.floor(speed);

            if(cur==iTarget)
            {
                clearInterval(obj.timer);
                if(fnEnd)fnEnd();
            }else
            {
                if(attr=='opacity')
                {
                    obj.style.filter='alpha(opacity:'+(cur+speed)+')';
                    obj.style.opacity=(cur+speed)/100;
                }else
                {
                    obj.style[attr]=cur+speed+'px';
                }
            }

        },30)

    }

    /****************************************************************************/
    function getStyle(obj,name)   //这个框架是获取行间样式。
    {
        if(obj.currentStyle)
        {
            return obj.currentStyle[name];
        }else
        {
            return getComputedStyle(obj,false)[name];
        }
    }
});
